mirror of
https://github.com/Alfresco/alfresco-community-repo.git
synced 2025-06-02 17:35:18 +00:00
8031cc6574
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/WCM-DEV2/root@3617 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
73 lines
2.5 KiB
Java
73 lines
2.5 KiB
Java
/*
|
|
* Copyright (C) 2005 Jesper Steen Møller
|
|
*
|
|
* Licensed under the Mozilla Public License version 1.1
|
|
* with a permitted attribution clause. You may obtain a
|
|
* copy of the License at
|
|
*
|
|
* http://www.alfresco.org/legal/license.txt
|
|
*
|
|
* Unless required by applicable law or agreed to in writing,
|
|
* software distributed under the License is distributed on an
|
|
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
|
|
* either express or implied. See the License for the specific
|
|
* language governing permissions and limitations under the
|
|
* License.
|
|
*/
|
|
package org.alfresco.repo.content.metadata;
|
|
|
|
import java.io.Serializable;
|
|
import java.util.Map;
|
|
|
|
import org.alfresco.service.cmr.repository.ContentIOException;
|
|
import org.alfresco.service.cmr.repository.ContentReader;
|
|
import org.alfresco.service.namespace.QName;
|
|
|
|
/**
|
|
*
|
|
* @author Jesper Steen Møller
|
|
*/
|
|
public interface MetadataExtracter
|
|
{
|
|
/**
|
|
* Provides the approximate accuracy with which this extracter can extract
|
|
* metadata for the mimetype.
|
|
* <p>
|
|
*
|
|
* @param sourceMimetype the source mimetype
|
|
* @return Returns a score 0.0 to 1.0. 0.0 indicates that the extraction
|
|
* cannot be performed at all. 1.0 indicates that the extraction can
|
|
* be performed perfectly.
|
|
*/
|
|
public double getReliability(String sourceMimetype);
|
|
|
|
/**
|
|
* Provides an estimate, usually a worst case guess, of how long an
|
|
* extraction will take.
|
|
* <p>
|
|
* This method is used to determine, up front, which of a set of equally
|
|
* reliant transformers will be used for a specific extraction.
|
|
*
|
|
* @return Returns the approximate number of milliseconds per transformation
|
|
*/
|
|
public long getExtractionTime();
|
|
|
|
/**
|
|
* Extracts the metadata from the content provided by the reader and source
|
|
* mimetype to the supplied map.
|
|
* <p>
|
|
* The extraction viability can be determined by an up front call to
|
|
* {@link #getReliability(String)}.
|
|
* <p>
|
|
* The source mimetype <b>must</b> be available on the
|
|
* {@link org.alfresco.service.cmr.repository.ContentAccessor#getMimetype()} method
|
|
* of the reader.
|
|
*
|
|
* @param reader the source of the content
|
|
* @param destination the destination of the extraction
|
|
* @throws ContentIOException if an IO exception occurs
|
|
*/
|
|
public void extract(ContentReader reader, Map<QName, Serializable> destination) throws ContentIOException;
|
|
|
|
}
|